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Doctor of Philosophy (Ph.D.) / Master of Philosophy (M.Phil.)

Doctor of Philosophy (Ph.D.) / Master of Philosophy (M.Phil.)

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Development of organ stiffness models for haptic feedback in laparoscopic surgery simulation

Kannangara, SM [Thesis-Abstract]

Laparoscopic surgery is the most common Minimally Invasive Surgery (MIS) performed routinely for certain procedures such as appendectomy and Cholecystectomy. Laparoscopic surgical procedures are very complex compared to ...
Development of organ stiffness models for haptic feedback in laparoscopic surgery simulation

Kannangara, SM [Thesis-Abstract]

Laparoscopic surgery is the most common Minimally Invasive Surgery (MIS) performed routinely for certain procedures such as appendectomy and Cholecystectomy. Laparoscopic surgical procedures are very complex compared to ...
Activity recognition combined with scene context and action sequence

Ramasinghe, SC [Thesis-Abstract]

In this study, we investigate the problem of automatic action recognition and classification of videos. First, we present a convolutional neural network architecture, which takes both motion and static information as ...
Development of a customised protocol for diagnosis and treatment of obesity specific foot biomechanics

Kathirgamanathan B [Thesis-Abstract]

The foot plays a crucial role in locomotion, impact bearing, and vertical stability and hence disruptions to the foot biomechanics can be detrimental to a person's ability to carry out daily activities. Foot disorders ...
Four- dimensional sparse filters for near real-time light field processing

Premaratne IWASU [Thesis-Abstract]

Light is a fundamental form of conveying information. Sensing of light through conventional cameras leads to images and videos. In contrast to conventional images and videos, which capture only the directional variation ...
Design and implementation of a multi-port power converter topology for DC nano-grid

Gunawardena LHPN [Thesis-Abstract]

This thesis presents a novel multi-port power converter topology for DC nanogrid applications. The proposed topology integrates energy sources, loads and energy storing elements using DC-link and magnetic coupling using ...
Multi-Modal Evidence Filtering in Wireless Sensor Networks

Weeraddana, DM [Thesis-Abstract]

A novel framework named Dempster-Shafer Information Filtering for in- formation processing in Distributed Sensor Networks (DSNs) is presented. More- over, distributed algorithms to implement spatio-temporal ltering ...
Extending Self-con guration Algorithms of Energy Constraint Wireless Sensor Networks to Emergency Environment

Gunathillake, WADA [Thesis-Full-text]

Wireless Sensor Networks have recently gained interest in building monitoring applications as a low cost and easy to install alternative. Some examples are smart/green buildings and emergency/rescue operations. These ...
An Energy efficient distributed cluster based self organising algorithm for ad-hoc deployed wireless sensor networks

Gamwarige, PS [Thesis-Abstract]

Wireless sensor networks (WSNs) consist of a large number of inexpensive, low-power, sensors that can be placed in an ad hoc fashion to form a data gathering network. Subse- quent to the sensor node deployment, the nodes ...
Geometrically constrained object tracking in non-overlapping calibrated cameras within a bayesian framework

Jayamanne, DJ [Thesis-Abstract]

When establishing correspondence between objects across non-overlapping cameras, the existing methods combine separate likelihoods of appearance and kinematic features in a Bayesian framework, constructing a joint ...
Sensor network-based indoor localization and tracking for ....

Gayan, HHS [Thesis-Abstract]

Wireless Sensor Networks (WSNs) are application-specific systems, each having its own requirements related to the design. Using WSNs for emergency rescue operations is one such special application having localization of ...
A Framework for interoperable location based services application development on mobile devices

Fernando, TMT [Thesis-Abstract]

A key limitation in the present generation of Location Based Services (LBS) applications is the lack of interoperability in terms of the data sources they utilize and the devices they run on. As most LBS applications are ...
Probabilistic estimation of lanes using vehicle GPS trajectories

Manel, ERIAC [Thesis-Abstract]

This dissertation presents a novel process for generating lane-level information for road maps using a collection of trajectories from vehicles travelling on the road. The information thus generated will aid a range of ...
Beamforming techniques for the downlink of space-frequency coded decode-and-forward MIMO-OFDM relay systems

Suraweera, ND [Thesis-Abstract]

Multiple-input multiple-output (MIMO) techniques can be used to achieve diversity gain, multiplexing gain and/or array gain. Particularly, diversity cod- ing techniques (e.g. Space-Time (ST), Space-Frequency (SF) coding) ...
Vision based localization of remotely operable Agricultural vehicles

Piyathilaka, JMLC [Thesis-Abstract]

This thesis addresses the problem of outdoor autonomous robot localization for agricultural operations. A 12hp power tiller, commonly known as the walking two wheel tractor is used as the test platform after after ...
Unmanned aerial vehicle design for improved manuvarability

Tennakoon, WTMS [Thesis-Abstract]

This thesis presents a non linear automatic unmanned aerial vehicle (UAV) control simulation demonstrating high maneuverability and precise tracking performance on a simulation testbed. High maneuverability leads to ...
Improvement of weapon locating radar control system with vision-based target verification

Dhammika, KVP

Weapon locating radar control system with vision - based target verification is an important apparatus in real-time battle planning. It provides present situation of the battle field to the field commanders, so that they ...
Human exposure to RF radiation in Sri Lanka

Karunarathna, MAA

The deployment of more and more wireless communication systems cause a potential danger to public health due to exposure of the human body to electromagnetic waves from RF and microwave .transmissions through free space. ...
CCTV Based sensing techniques for adaptive control of traffic signals in multiprocessor architectures

Nishantha, GGD [Thesis-Abstract]

As the problem of urban traffic congestion spreads, there is a pressing need for the introduction of advanced technology and equipment to improve the state of the art of traffic control. In this context, the techniques ...
Genetic elgorithm based adaptive control of traffic fight systems in multiprocessor architecture

Kodikara, AH [Thesis-Abstract]

The traffic signal is one of the most common control devices used to manage highway traffic. Operating them as isolated units does not exploit their usefulness fully. An advanced system, in which traffic signals at junctions ...

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Doctor of Philosophy (Ph.D.) / Master of Philosophy (M.Phil.)

Doctor of Philosophy (Ph.D.) / Master of Philosophy (M.Phil.)

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